ok can someone give me a lesson on rims? i have an 06 dbl cab taco, 6 lug. but i dont know what backspacing and the lug pattern and stuff means. please help

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back spacing is the distance from the backside of the wheel mounting pad to the outside of the rim flange.

Lug pattern is determined by the number of bolt holes and the bolt circle diameter they form.

Offset is the distance from the centerline (width divided by 2) of the wheel to the back of the wheels bolt pad or mounting surface. Offset can be a positive or negative number. Negative offset is when the back of the bolt pad is closer to the inside of the wheel; when the mounting surface is inboard of the rim centerline. Positive offset is when the back of the bolt pad is closer to the street side of the wheel; when the mounting surface is outboard of the rim centerline.

back spacing is the distance from the backside of the wheel mounting pad to the outside of the rim flange.

Lug pattern is determined by the number of bolt holes and the bolt circle diameter they form.

Offset is the distance from the centerline (width divided by 2) of the wheel to the back of the wheels bolt pad or mounting surface. Offset can be a positive or negative number. Negative offset is when the back of the bolt pad is closer to the inside of the wheel; when the mounting surface is inboard of the rim centerline. Positive offset is when the back of the bolt pad is closer to the street side of the wheel; when the mounting surface is outboard of the rim centerline.

If your numbers are correct and assuming you are starting with 17 X7.5 stock rims with a 30mm offset, you will lose no clearance on the inboard side and the outboard side will extend out an additional 1.5" farther than the stock wheels.